Working lamp



FIG. 1 is a front perspective view showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left end view thereof;

FIG. 6 is a right end view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is another front perspective view thereof; and,

FIG. 10 is a perspective view, in folded state, thereof.

The surface(s) or portion(s) of the article shown in broken lines in the drawing being for illustrative purposes only and forming no part of the claimed design. 

CLAIM The ornamental design for a working lamp, as shown and described. 